L_TwainGetTransferOptions

Show in webframe

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainGetTransferOptions(hSession, pTransferOpts, uStructSize)

HTWAINSESSION hSession;	/* handle to an existing TWAIN session */
pTRANSFEROPTIONS pTransferOpts;	/* pointer to a structure */
L_UINT uStructSize;	/* size of the TRANSFEROPTIONS structure */

Gets current transfer options for the selected Twain source.

Parameter	Description
hSession	Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession function.
pTransferOpts	Pointer to the TRANSFEROPTIONS structure to be updated with the current transfer options.
uStructSize	Size in bytes, of the structure pointed to by pTransferOpts, for versioning. Use sizeof(TRANSFEROPTIONS).

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

To set transfer options for the selected Twain driver, call the L_TwainSetTransferOptions function.

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

Required DLLs and Libraries

LTTWN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Functions:	L_TwainSetTransferOptions, L_TwainGetSupportedTransferMode, L_TwainSetResolution, L_TwainGetResolution, L_TwainSetImageFrame, L_TwainGetImageFrame, L_TwainSetImageUnit, L_TwainGetImageUnit, L_TwainSetImageBitsPerPixel, L_TwainGetImageBitsPerPixel, L_TwainSetImageEffects, L_TwainGetImageEffects, L_TwainSetAcquirePageOptions, L_TwainGetAcquirePageOptions, L_TwainSetRGBResponse, L_TwainShowProgress, L_TwainEnableDuplex, L_TwainGetDuplexOptions, L_TwainSetMaxXferCount, L_TwainGetMaxXferCount
Topics:	Getting and Setting Capabilities
	TWAIN Functionality: Capability Functions

Example

For an example, refer to L_TwainSetTransferOptions.